Question

Reuben made $247 for 13 ours of work.

At the same rate, how many hours would he have to work to make $171 ?

pls help!!!

Answer 1

9 hours

Explanation:

We can use a ratio to solve

247 dollars 171 dollars

---------------- = -------------

13 hours x hours

Using cross products

247* x = 13*171

247x =2223

Divide each side by 247

247x/247 =2223/247

x=9